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Unofficial Notice of Invitation to Bid (NIB)

San Gabriel Valley Council Of Governments is seeking bids from qualified and interested contractors for the following project titled, At-Grade Crossing Safety Improvements – N. San Antonio Blvd, identified under Solicitation ID: STPLR 7500(286). Work is to be performed near 1333 Mayflower Ave, Monrovia, CA 91016, USA in Los Angeles County.

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General Project Description

This project involves at-grade crossing safety improvements on N. San Antonio Blvd in the City of Pomona, Los Angeles County, specifically crossing the Union Pacific Railroad (UPRR) Los Angeles/Alhambra Subdivisions (MP 32.80/MP 515.20). The scope includes roadway and general improvements for vehicular and pedestrian traffic, such as construction of curbs, gutters, sidewalks, pedestrian crossing features (ramps, stairs, railing, gates), roadway structural section reprofiling, hardscaping, miscellaneous utility protection/relocation, storm drain modifications, relocation of signs, new signing and striping, traffic signal modifications, and installation of vehicular and pedestrian railroad safety equipment. Temporary work will encompass providing traffic control features and storm water quality Best Management Practices (BMPs). The contractor will be responsible for obtaining necessary permits, coordinating extensively with Union Pacific Railroad (UPRR) for work efforts and right-of-entry, and adhering to Roadway Worker Protection training certifications. The project sequencing and phasing are crucial due to high traffic volume and active rail operations, requiring compliance with environmental mitigation measures.

General Bid Items

  • Quantity: 1  Unit: LS  Work Item: Mobilization /Demobilization – Not to exceed 5% of General Contractor Bid, Specifications: SSPWC 7-3.4
  • Quantity: 1  Unit: LS  Work Item: UPRR Coordination and Work Phasing, Specifications: Special Provisions 6-1 Technical Provisions 7-3.4.1
  • Quantity: 1  Unit: Allowance  Work Item: Differing Site Conditions, Utility Work, Railroad Work ($100,000), Specifications: Technical Specifications 3-3.1.1
  • Quantity: 50  Unit: EA  Work Item: Potholing, Specifications: Technical Specifications 402
  • Quantity: 14150  Unit: SF  Work Item: Remove AC Pavement, Specifications: SSPWC 401-2
  • Quantity: 5000  Unit: SF  Work Item: Remove AC Pavement (Adjacent to tracks), Specifications: SSPWC 401-2
  • Quantity: 450  Unit: SF  Work Item: Remove Median Concrete Pavement, Specifications: SSPWC 401-3
  • Quantity: 33  Unit: LF  Work Item: Remove Curb Only, Specifications: SSPWC 401-3
  • Quantity: 343  Unit: LF  Work Item: Remove Curb and Gutter, Specifications: SSPWC 401-3
  • Quantity: 58  Unit: LF  Work Item: Remove Gutter Only, Specifications: SSPWC 401-3
  • Quantity: 2413  Unit: SF  Work Item: Remove Sidewalk, Specifications: SSPWC 401-3

NAICS Classification

237310 – Highway, Street, and Bridge Construction, 237990 – Other Heavy and Civil Engineering Construction, 238910 – Site Preparation Contractors, 238320 – Painting and Wall Covering Contractors, 238210 – Electrical Contractors and Other Wiring Installation Contractors, 541620 – Environmental Consulting Services

Records and Due Date

This bid opportunity was entered into BidAmerica on February 26, 2026, and was last updated on February 26, 2026. All bids and/or proposals are due on March 12, 2026.

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Legal Disclaimer

All bidders are responsible for reviewing and verifying all official bid documentation directly from the issuing agency. BidAmerica aggregates public bid information for advertisement purposes for contractors and government agencies convenience. This Notice of Invitation to Bid is for reference purposes only and is not an official or complete representation of any documents issued by San Gabriel Valley Council Of Governments. BidAmerica does not guarantee the accuracy, completeness, or timeliness of any information displayed and shall not be held liable for any errors, omissions, misinterpretations, or damages resulting from reliance on this summary. Contractors must obtain all official information—including plans, specifications, addenda, deadlines, submission requirements, qualifications, and bidding conditions—directly from San Gabriel Valley Council Of Governments prior to bidding.